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Jamis Portal C2

Jamis Portal C2
Color:
Winter Dusk
Please select options Unavailable
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Details

THREE VARIABLE OPTIMIZED.

1. INSTANT CENTER
With the 3VO system's unique virtual pivot characteristics, we're able to combine the efficiency of a hardtail with the proper support of precisely-controlled active suspension. This is how every full-suspension bike should ride.

2. AXLE PATH
A rear wheel that stays planted while charging through rough terrain is crucial to providing an intimate connection with the trail. 3VO's initial rearward axle path allows the bike to be supple on small bumps and square edge hits while its tightly tuned relationship with the system's leverage ratio keeps the suspension highly reactive even while pedaling.

3. LEVERAGE RATIO
Imagine having two bikes in one, that's essentially what we've got with 3VO. The tuned multi-phase leverage ratio with initial rising rate provides an unparalleled pedaling platform while remaining keenly adept at sustaining repeated bumps without holdup.

Up to just beyond the sag point, the system employs a slight rising rate. Some designs claim an initial falling rate with high initial leverage improves sensitivity and responsiveness, but these claims seem more driven by a need to market a deficiency than by any genuine benefit. Why? Because up until the sag point of the bike, sensitivity and responsiveness are primarily felt when the suspension is able to extend, not compress.

- Dyad Pro High Modulus Carbon Fiber
- 130mm travel 3VO suspension
- Enduro Max sealed bearing pivots
- Fox Float DPS Factory Series Kashima EVOL shock
- Fox 34 Performance Series Float 29", 3-position adjust compression & lock-out
- Stans Flow MK3 29" tubeless wheels
- Shimano XT, 12-speed
- Shimano SLX 4-piston Ice-Tech hydraulic disc brakes

Geometry

Geometry Chart:
TT EFFECTIVE
Inch / mm
HT ANGLEST ANGLECHAINSTAY
Inch / mm
WHEELBASE
Inch / mm
BB DROP
Inch / mm
HEADTUBE
Inch / mm
STANDOVER
Inch / mm
STACK
Inch / mm
REACH
Inch / mm
S/15.5" 23.0 / 585 LO 67° HI 67.5° LO 74° HI 74.5° 17.2 / 437 45.2 / 1148 LO 1.3 / 33 HI 1.0 / 26 4.1 / 105 LO 29.7 / 754 HI 29.9 / 761 23.9 / 606 16.5 / 418
M/17" 24.0 / 610 LO 67° HI 67.5° LO 74° HI 74.5° 17.2 / 437 46.2 / 1173 LO 1.3 / 33 HI 1.0 / 26 4.5 / 115 LO 29.5 / 749 HI 29.8 / 756 24.2 / 615 17.3 / 439
L/19" 25.0 / 635 LO 67° HI 67.5° LO 74° HI 74.5° 17.2 / 437 47.2 / 1198 LO 1.3 / 33 HI 1.0 / 26 4.9 / 125 LO 29.7 / 754 HI 29.9 / 761 24.6 / 625 18.2 / 461
XL/21" 26.0 / 660 LO 67° HI 67.5° LO 74° HI 74.5° 17.2 / 437 48.2 / 1224 LO 1.3 / 33 HI 1.0 / 26 5.3 / 135 LO 30.5 / 774 HI 30.7 / 781 24.9 / 634 18.9 / 482

Specs

Frame Dyad Pro High Modulus Carbon Fiber, 130mm travel 3VO suspension, Enduro Max sealed bearing pivots, 1.5 – 1 1/8 tapered head tube, 12x148mm thru-axle, Internal dropper post routing, Custom Jamis upper chainguide mounts, ISCG05 lower chainguide mounts, Fox Float DPS Factory Series Kashima EVOL shock w/3-position compression, 10mm hardware, replaceable derailleur hanger
Fork Fox 34 Factory Series Float 29" w/3-position adjust compression & lock-out,15x110mm axle, air spring compression, rebound adjust, tapered alloy steerer, 130mm travel, 51mm rake
Wheels Stans Flow MK3 29" tubeless wheels, 15x110mm axle front and 12x148mm rear NEO Ultimate hubs, Sapim Force spokes
Tires Vittoria Mazza 29 x 2.4", TNT tubeless
Bottom Bracket Shimano BSA
Crankset Shimano XT M8120, 32T
Shifters Shimano XT, 1x12-speed
Rear Derailleur Shimano XT, 12-speed
Cassette/Freewheel Shimano M8100, 12-speed, 10-51T
Chain Shimano M8100, 12-speed
Brakes Shimano XT M8120 4-piston Ice-Tech hydraulic disc, RT-800 180mm rotors
Handlebars Race Face Turbine R, 800mm x 20mm rise, 35mm diameter
Tape/Grips Jamis Lock-On
Stem Race Face Turbine R, 50mm extension, 35mm clamp diameter
Headset FSA Orbit IS Integrated, 8mm cone spacer
Seatpost Fox Transfer Factory Series Dropper, 1x remote
Saddle WTB Volt
Pedals Sold separately

* Subject to change without notice.

Videos

Part Numbers

Option UPC MPN
Winter Dusk / 15.5-inch 845436084756 03-3666BL
Winter Dusk / 17-inch 845436084763 03-3667BL
Winter Dusk / 19-inch 845436084770 03-3668BL
Winter Dusk / 21-inch 845436084787 03-3669BL

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